refactor(core): add basic cli commands support [ckip ci]

.gitignore

@@ -1,4 +1,5 @@
-build
+bin
 dist
 coverage
-node_modules
+node_modules
+*.tsbuildinfo\

esbuild.config.mjs

@@ -0,0 +1,27 @@
+import { argv } from 'node:process';
+import * as esbuild from 'esbuild';
+
+const esbuildContext = {
+    entryPoints: ['src/index.ts'],
+    external: ['esbuild', 'asciidoctor'],
+    outfile: `bin/index.cjs`,
+    platform: 'node',
+    logLevel: 'info',
+    bundle: true,
+    minify: true,
+    metafile: true,
+};
+
+const isProductionMode = (argv[3] === 'production');
+
+if (!isProductionMode) {
+    const ctx = await esbuild.context(esbuildContext);
+
+    await ctx.watch();
+} else {
+    await esbuild.build(esbuildContext)
+        .then(() => {
+            console.log('Bundling completed successfully!');
+        })
+        .catch(() => process.exit(1));
+}